Since taking the reigns at Manchester United, Louis van Gaal has often promised to help return the Red Devils to the top of the tree and compete for every piece of silverware available.
In the Dutchman's first season in charge last year, he was at least able to guide his side back into the Champions League following a dismal season previously. However, Van Gaal's time to deliver is now.
With former Borussia Dortmund manager Jurgen Klopp currently unemployed and Pep Guardiola in the final year of his Bayern Munich contract, there will be no shortage of takers for his position should he fail to maintain his promises.
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Another £100 million plus of summer spending has ramped up the pressure on the Dutchman. Fourth place will not suffice this season. A half-decent run in Europe will not do, either.
Grumblings about the Dutchman's rigid adherence to his philosophy are growing. His brand of possession football is seen as boring by fans brought up on Sir Alex Ferguson's gung-ho attacking style. Fans want to see goals, not 68% possession. The legacy left by Fergie and Sir Matt Busby is such that fans expect to be entertained, as well as to win.
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Of course, the fans and board will suffer from the lack of excitement if it means that trophies can be delivered, but the reality of it is that Van Gaal must do so this season or he risks being shown the exit. United will not accept many more excuses.
Van Gaal arrived at Old Trafford 14 months ago with a promise that he would win the title within three seasons, though it's understood the promise was made due to the United board's demands for him to do so.
Public opinion factors strongly in any decision the board is likely to make, something that Van Gaal is aware of given that he spent much of last season praising the Old Trafford faithful. His infamous after-dinner speech at United's awards dinner last season was full of admiration for the fans who clapped him onto the field despite a woeful start to his first managerial campaign in England.
And it worked, to a point. Fans have taken to the Dutchman's blunt honesty and, to an extent, accepted his philosophies. That good will, however, is quickly eroding.
The United that Van Gaal walked into in July 2014 is markedly different from this season's model. The return of Champions League football and the huge spending sprees of the past two summers has seen expectations rise sharply at Old Trafford.
Fans will not forgive the Dutchman's numerous fall-outs with his stars so easily this term should he fail to deliver, nor will they forgive the fact that he has allowed so many fan favourites to leave the club.
Success is the only thing that will placate the discontent amongst fans, otherwise his 25th season as a manager could well spell the end of his career in Manchester.